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GATE 2023 Digital logic Rank Booster Quiz 37

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Question 1

Consider the logic given below which consists of two 2×4 decoders

The Boolean expression for the output F is-



Question 2

Consider a binary adder which is independent of the number of bits for its operational time. Then what is the number of AND gate required for such 7-bit binary adder?

Question 3

In a combinational circuit, the output at any time depends only on the _______ at that time.

Question 4

The combinational circuit is shown below. The output D is true if and only if a majority of the inputs are true.

The Boolean function for the output is?

Question 5

Which of the following is correct regarding a binary full subtractor?

Question 6

Find the number of minterms in the function for the decoder circuit shown below is __________.


Question 7

A function f(A,B,C) is to be implemented using 3×8 decoder, where A is the MSB of function and C is the LSB of the function at the output. If the connections of the input to the decoder are as shown in the figure below then the function f(A,B,C) can be expressed as


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Jan 17GATE & PSU CS